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linux/arch/s390/mm
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Christian Borntraeger 2bc5712526 KVM: s390/mm: try a cow on read only pages for key ops 
commit ab3f285f22 upstream.

The PFMF instruction handler  blindly wrote the storage key even if
the page was mapped R/O in the host. Lets try a COW before continuing
and bail out in case of errors.

Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Reviewed-by: Dominik Dingel <dingel@linux.vnet.ibm.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
History 2014-10-05 14:52:17 -07:00
..
cmm.c s390: convert use of typedef ctl_table to struct ctl_table 2013-10-28 08:36:25 +01:00
dump_pagetables.c s390/mm: cleanup page table definitions 2013-08-22 12:20:06 +02:00
extable.c s390/exceptions: switch to relative exception table entries 2012-09-26 15:45:10 +02:00
extmem.c s390/comments: unify copyright messages and remove file names 2012-07-20 11:15:04 +02:00
fault.c s390/mm,tlb: correct tlb flush on page table upgrade 2013-11-04 13:51:47 +01:00
gup.c s390/gup: handle zero nr_pages case correctly 2013-10-24 17:17:01 +02:00
hugetlbpage.c hugetlb: restrict hugepage_migration_support() to x86_64 2014-06-30 20:11:53 -07:00
init.c s390: add support for IBM zBC12 machine 2013-07-26 13:25:21 +02:00
maccess.c s390: make various functions static, add declarations to header files 2013-09-07 11:58:03 +02:00
Makefile s390/mem_detect: move memory detection code to mm folder 2013-05-02 15:50:22 +02:00
mem_detect.c s390/mem_detect: fix memory hole handling 2013-06-19 15:36:16 +02:00
mmap.c s390/mmap: randomize mmap base for bottom up direction 2013-11-13 12:09:08 +09:00
page-states.c s390/dump: Fix dump memory detection 2014-02-04 15:39:51 +01:00
pageattr.c s390/mm: do not initialize storage keys 2013-10-24 17:17:00 +02:00
pgtable.c KVM: s390/mm: try a cow on read only pages for key ops 2014-10-05 14:52:17 -07:00
vmem.c s390/mm: implement software referenced bits 2013-08-29 13:20:11 +02:00